<!DOCTYPE html>
<html>
<head>
	<meta charset="utf-8" />
	<meta http-equiv="X-UA-Compatible" content="IE=edge">
	<title>登录</title>
	<meta name="viewport" content="width=device-width, initial-scale=1">
</head>
<body>
	<input type="text" class="userName" placeholder="请输入用户名">
	<input type="password" class="pwd" placeholder="请输入密码">
	<a href="#">哈哈哈1</a>
</body>
</html>